He was chippy when quizzed by Spanish-speaking reporters, with one asking if it was an acceptable performance by United given the difference in finance.

"Are you really interested, being Spanish press, in the intricacies of our own season?" he told another when asked if being eliminated from the Champions League and Carabao Cup as well as falling short in the Premier League title race represented failure for United.

The FA Cup is now the only silverware still up for grabs ahead of Saturday's quarter-final against Brighton, but Mourinho did not regret his approach over the two legs against Sevilla.

"I don't have regrets," the United boss. "I did my best, the players did their best. We tried, we lost and that's football."

Asked what has to change now to get United into the top-eight teams in Europe, Mourinho retorted: "Everything. Everything together.

"Everybody spends money, right? It is not just us, no? It's not just changing for changing sake, it's a natural process.

"And we're not the only team that invests money. All clubs invest money in players."